(idiomatic) A debilitating pain preventing easy movement of the wrist, hand, or fingers, resulting from prolonged use of a pen or pencil.

Alternative form of brain cramp

(figuratively) A temporary mental lapse, such as an inability to remember something, to focus one's attention, to understand something, or to perform some other mental task of which one would ordinarily be capable.

plural of cramp bone

plural of cramp iron

(idiomatic, informal) To restrict someone's free action or expression.